#include <iostream>
#include "sympy-cpp.h"

using namespace std;
using namespace sympycpp;

int main() {
	Expr a("a"), b("b"), c("c"), d("d"), g("g"), h("h"), i("i"), e(Power(a+b+c+d+g+h+i,15));
	e.expansion();
	return 0;
}
